Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Klaus Ecker,Area maximizing hypersurfaces in Minkowski space having an isolated singularity,Manuscripta Mathematica,0025-2611,Springer Science and Business Media LLC,1986-12,56,4,375-397,https://cir.nii.ac.jp/crid/1362825896001124096,https://doi.org/10.1007/bf01168501